Portable bearing checker



FIG. 1 is a front elevation view of a portable bearing checker showing our new design;

FIG. 2 is a rear elevation view thereof;

FIG. 3 is a right side elevation view thereof, with the left side elevation view being a minor image of the right side elevation view; and,

FIG. 4 is a top plan view thereof.

The broken line showing of structural features is included for the purpose of illustrating non-claimed subject matter and forms no part of the claimed design. 

CLAIM The ornamental design for a portable bearing checker, as shown and described. 